CN211786705U

CN211786705U - Vehicle power consumption mode switching system

Info

Publication number: CN211786705U
Application number: CN202020882914.6U
Authority: CN
Inventors: 范庆磊
Original assignee: Mizhu Technology Suzhou Co ltd
Current assignee: Mizhu Technology Suzhou Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2020-10-27
Anticipated expiration: 2030-05-22

Abstract

The utility model relates to a vehicle power consumption mode switching system, which comprises a power consumption mode trigger unit, an MCU micro control unit and a vehicle-mounted terminal functional unit; the power consumption mode trigger unit comprises an MEMS sensor module and a power management system; the MCU is electrically connected with the MEMS sensor module and the power management system respectively; the vehicle-mounted terminal function unit is electrically connected with the MCU; for vehicle equipment, switching between a normal power consumption mode and a low power consumption mode of the vehicle is realized, the triggering mode of the power consumption mode of the vehicle mainly comprises two modes, one mode is the running state of the vehicle, and the other mode is the conversion efficiency of the power of an energy storage device arranged in the equipment and a solar panel or an external charging device of the energy storage device.

Description

Vehicle power consumption mode switching system

Technical Field

The utility model relates to a vehicle control system technical field, in particular to vehicle consumption mode switching system.

Background

At present, in a vehicle system, a built-in energy storage device is often required to supply power to the vehicle system, a built-in storage battery is generally adopted, and the charging mode of the built-in storage battery generally comprises a traditional charging mode, solar panel power supply, small generator power supply and the like; for equipment powered by a traditional charging mode, a built-in storage battery needs to be charged at regular time; for devices powered by solar panels, the charging efficiency is affected by the sun's exposure conditions, such as: day and night time, lighting conditions, longitude and latitude, cloud layer conditions, weather conditions and the like, all of which affect the conversion efficiency of the solar panel.

And to vehicle equipment, charge and all receive the condition restriction, if equipment adopts normal consumption mode always, and does not combine the low power consumption mode, can lead to the unable normal work of charging of equipment, to GPS equipment, if frequency, change through reducing equipment data acquisition and report the integrality that the frequency then can influence data acquisition, can influence the accuracy of the orbit circuit of GPS equipment even, consequently the utility model develops a vehicle consumption mode switching system to solve the problem that exists among the prior art, through the retrieval, not discover with the utility model discloses same or similar technical scheme.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is: the vehicle power consumption mode switching system is provided to solve the problem that in the prior art, vehicle-mounted equipment cannot realize low power consumption mode switching according to environmental conditions, so that the vehicle still works at full load under the unnecessary operation scene to cause built-in energy source exhaustion or vehicle storage battery electricity exhaustion.

The technical scheme of the utility model is that: a vehicle power consumption mode switching system comprises a power consumption mode trigger unit, an MCU (micro control unit) and a vehicle-mounted terminal function unit; the power consumption mode trigger unit comprises an MEMS sensor module and a power management system; the MCU is electrically connected with the MEMS sensor module and the power management system respectively; and the vehicle-mounted terminal function unit is electrically connected with the MCU.

Preferably, the MEMS Sensor module comprises an IMU and a G-Sensor, and the IMU and the G-Sensor are respectively connected with a voltage stabilizing source.

Preferably, Kalman filtering units are arranged between the IMU and the MCU micro control unit and between the G-Sensor and the MCU micro control unit.

Preferably, the vehicle-mounted terminal function unit comprises a network module, a GPS module, an RS485 communication module, a photosensitive sensor, a Bluetooth module and an RFID module.

Compared with the prior art, the utility model has the advantages that:

(1) for vehicle equipment, the switching between a normal power consumption mode and a low power consumption mode of a vehicle is realized, the running time of a built-in storage battery can be effectively prolonged, and the vehicle can be ensured to normally work for a long time under the condition that the vehicle is not charged in time.

(2) The triggering mode of the vehicle power consumption mode mainly comprises two modes, wherein one mode is the running state of the vehicle, and the other mode is the conversion efficiency of the electric quantity of an energy storage device arranged in the equipment and a solar panel or an external charging device of the equipment; firstly, sensing parameters such as acceleration, angular velocity, magnetic direction and the like of a vehicle through an MEMS sensor module, sending the parameters to an MCU (micro control unit), judging the running state of the vehicle, wherein when the vehicle is in the running state, all modules of a vehicle-mounted terminal function unit work normally, and when the vehicle is in a parking state, all modules of the vehicle-mounted terminal function unit stop working and enter a dormant state; secondly, monitoring the electric quantity of the built-in storage battery in real time through a power management system (BMS), sending the electric quantity to the MCU, setting an electric quantity critical value, and enabling each module of the vehicle-mounted terminal function unit to work normally when the electric quantity of the built-in storage battery is higher than the electric quantity critical value; and when the electric quantity of the built-in storage battery is lower than the electric quantity critical value, stopping working of each module of the vehicle-mounted terminal functional unit and entering a dormant state.

(3) For devices with solar panels, the charging efficiency is affected by the sun exposure conditions, such as: day and night time, illumination conditions, longitude and latitude, cloud layer conditions, weather conditions and the like all influence the conversion efficiency of the solar panel, and finally, the triggering of the power consumption mode is still realized through the electric quantity of the built-in storage battery.

Drawings

The invention will be further described with reference to the following drawings and examples:

fig. 1 is a block diagram illustrating a power consumption mode switching system of a vehicle according to the present invention;

fig. 2 is a circuit diagram of a MEMS sensor module according to the present invention;

fig. 3 is a circuit diagram of the MCU microcontrol unit of the present invention.

Detailed Description

The following detailed description is made in conjunction with specific embodiments of the present invention:

as shown in fig. 1 to 3, a vehicle power consumption mode switching system includes a power consumption mode trigger unit, an MCU micro control unit, and a vehicle-mounted terminal function unit.

The power consumption mode trigger unit comprises an MEMS sensor module and a power management system (BMS); the MEMS Sensor module comprises an IMU and a G-Sensor, wherein the IMU is an inertia measurement unit, the G-Sensor is a gravity Sensor and can be used for sensing parameters of acceleration, angular velocity, magnetic direction and the like of a vehicle and sending the parameters to the MCU, the IMU and the G-Sensor are respectively connected with a voltage stabilizing source, and Kalman filtering units are arranged between the IMU and the MCU.

The MCU is respectively electrically connected with the MEMS sensor module and the power management system and is used for processing data sent by the MEMS sensor module and the power management system.

The vehicle-mounted terminal function unit is electrically connected with the MCU, mainly comprises a network module, a GPS module, an RS485 communication module, a photosensitive sensor, a Bluetooth module and an RFID module, and when a vehicle is in a normal power consumption mode, each function module works normally; when the vehicle is in a low power consumption mode, each functional module stops working and enters a dormant state, and the MEMS sensor module and the power management system are always powered on to work in the process so as to keep continuous detection of the vehicle.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and therefore, the present invention is considered to be exemplary and not restrictive in any way, since the scope of the present invention is defined by the appended claims, rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and therefore any reference signs in the claims are not intended to be construed as limiting the claims concerned.

Claims

1. A vehicle power consumption mode switching system characterized by: the system comprises a power consumption mode trigger unit, an MCU (micro control unit) and a vehicle-mounted terminal functional unit; the power consumption mode trigger unit comprises an MEMS sensor module and a power management system; the MCU is electrically connected with the MEMS sensor module and the power management system respectively; and the vehicle-mounted terminal function unit is electrically connected with the MCU.

2. A vehicle power consumption mode switching system according to claim 1, characterized in that: the MEMS Sensor module comprises an IMU and a G-Sensor, and the IMU and the G-Sensor are respectively connected with a voltage stabilizing source.

3. A vehicle power consumption mode switching system according to claim 2, characterized in that: kalman filtering units are arranged between the IMU and the MCU micro control unit and between the G-Senso r and the MCU micro control unit.

4. A vehicle power consumption mode switching system according to claim 1, characterized in that: the vehicle-mounted terminal functional unit comprises a network module, a GPS module, an RS485 communication module, a photosensitive sensor, a Bluetooth module and an RFID module.